Electro-mechanical actuator

Details Electro-mechanical actuator Electro-mechanical actuator

2006-11-28

2006-11-28

Williams, Thomas J. (Department: 3683)

Movable or removable closures

With operator for movably mounted closure

Drive within closure housing

C049S362000, C074S089140, C074S089170

Reexamination Certificate

active

07140151

ABSTRACT:
An electro-mechanical actuator for a window lift mechanism including a plurality of motors for driving an output shaft. The actuator may be incorporated into a window lift mechanism including a dual rack and pinion assembly, for driving the pinions along the racks. According to another aspect of the invention there is provided a variety of anti-back-drive mechanisms, e.g. clutches. A clutch according to one embodiment includes locking pawls that resist back-drive. In another embodiment, locking cams rotate relative to a carrier to resist back-drive. An actuator consistent with the invention may incorporate an impact mechanism including a flexible carrier. The carrier flexes to prevent impact forces at an output gear train from coupling to an input gear train.

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